Myth & Roid is a Japanese pop rock band centered around Tom-H@ck and hotaru, featuring multiple vocalists. The band made its debut in 2015 with the release of its first single "L.L.L". The band's music has been featured in various anime series, mostly of the isekai genre such as Isekai Quartet, Boogiepop and Others, BBK/BRNK, Cautious Hero: The Hero Is Overpowered but Overly Cautious, Made in Abyss, Isekai Cheat Magician, Overlord, and Arknights: Perish in Frost.